DAY 2: DBMS

DBMS:

Database management System is software,
which is use for maintaining Database. Database System supports single-user and multiples-user environment. While one hand DBMS permits only one person to access
the Database at a given time on the other hand RDBMS allows many users
simultaneous access to the Database. A Database System consists of two parts
namely, Database Management System and Database Application. Database
Management System is the program that Organizes and maintains the information
whereas the Database Application is the program that lets us view, retrieve and
update information stored in the DBMS.

Entity:

An entity is any object, place, person,
concept or activity about which an enterprise records Data.

Attributes:

An attribute is the characteristic property
of an existing entity. Consider for an example: